package com.cn.dao;

public class BookDao {
    public void save(){
        System.out.println("book dao save ...");
    }

    //bean初始化对应的操作
    public void init(){
        System.out.println("init...");
    }
    //bean销毁前对应的操作
    public void destroy(){
        System.out.println("destroy...");
    }

}
